1 files changed, 23 insertions, 0 deletions
diff --git a/common/accel_natural.cpp b/common/accel_natural.cpp
new file mode 100644
index 0000000..c6f14b4
--- /dev/null
+++ b/common/accel_natural.cpp
@@ -0,0 +1,23 @@
+
+#pragma once
+
+#define _USE_MATH_DEFINES
+#include <math.h>
+
+#include "accel_types.hpp"
+
+namespace rawaccel {
+	inline accel_natural::accel_natural(accel_args args)
+		: accel_implentation(args)
+        { curve_constant_one /= curve_constant_two; }
+
+	inline double accel_natural::accelerate(double speed) {
+		// f(x) = k(1-e^(-mx))
+		return curve_constant_two - (curve_constant_two * exp(-curve_constant_one * speed));;
+	}
+
+	inline void accel_natural::verify(accel_args args) {
+		accel_implentation::verify(args);
+		if (args.lim_exp <= 1) error("exponent must be greater than 1");
+	}
+}